7917520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 20748672

約数和(自身を除く): 12831152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 331, 368, 460, 520, 598, 662, 920, 1040, 1196, 1324, 1495, 1655, 1840, 2392, 2648, 2990, 3310, 4303, 4784, 5296, 5980, 6620, 7613, 8606, 11960, 13240, 15226, 17212, 21515, 23920, 26480, 30452, 34424, 38065, 43030, 60904, 68848, 76130, 86060, 98969, 121808, 152260, 172120, 197938, 304520, 344240, 395876, 494845, 609040, 791752, 989690, 1583504, 1979380, 3958760, 7917520]

約数ペア:

[(1, 7917520), (2, 3958760), (4, 1979380), (5, 1583504), (8, 989690), (10, 791752), (13, 609040), (16, 494845), (20, 395876), (23, 344240), (26, 304520), (40, 197938), (46, 172120), (52, 152260), (65, 121808), (80, 98969), (92, 86060), (104, 76130), (115, 68848), (130, 60904), (184, 43030), (208, 38065), (230, 34424), (260, 30452), (299, 26480), (331, 23920), (368, 21515), (460, 17212), (520, 15226), (598, 13240), (662, 11960), (920, 8606), (1040, 7613), (1196, 6620), (1324, 5980), (1495, 5296), (1655, 4784), (1840, 4303), (2392, 3310), (2648, 2990)]